ORCHIS FAMILY. 409 



■t- 4- H- Flowers greenish or yellowish-white, in late summer ; {/lands oval 

 or lanceolate, almost facing each other ; spike long and loose. 



H. leucophgea, Gray. N. Y., W. and S. ; 2°-A° high; leaves lance- 

 oblong; flowers rather large, the fan-shaped lip 3-parted, ;,' long, and 

 many-cleft to the middle into a tliread-like fringe. 



H. Idcera, H.Hr. HvG(iKi) Fringud O. Lower, l°-2'^ high; leaves 

 lanceolate or oblong ; petals oblong-linear, entii'e ; divisions of the slen- 

 der-stalked ;}-parted lip narrow anil slenderly fringed. Bogs N., also S., 

 in high land.s. 



•t- -1- -I- H- F/iiicers violet-purple, in summer; the lip fan-shaped, '^-parted 

 ncarhj dovn to the stnlk-like base, and the divisions more or less fringed. 



H. psycbdes, Gray. Smaller Purple FRi>foKn O. Frequent in 

 moist grassy places, especially N.; leaves oblong, above passing into 

 lance-linear bracts; spike cylindrical, -I'-IO' long, crowded with smaller 

 and fragrant flowers ; lateral petals wedge-obovate, almost entire ; lip 

 spreading, only V wide, cut into denser fringe. 



H. fimbriata, l?.Br. Larger Purple Frixged O. Lower leaves 

 oval or oblong, upper few and small ; raceme-like spike oblong, with 

 rather few large flowers in early summer ; petals oblong, toothed down 

 the sides ; lip almost 1' wide, hanging, cut into a delicate fringe. Wet 

 meadows N., also S. to N. Car. 



H. peramnosa, Gray. Meadows and banks, Penn., W. and S., along 

 and near the mountains ; flowers of size intermediate between the two 

 preceding, the broad wedge-shaped lobes of the lip moderately cut-toothed, 

 but not fringed. 



12. CYPRIPEDIUM, LADY'S SLIPPER, MOCCASIN FLOWER. 



(Greek name for V^mis, joined to that tor a slipper or buskin.) Among 

 the most ornamental and curious of our wild flowers, blooming in 

 spring and early summer. Rootstocks very short and knotty, produc- 

 ing long and coarse fibrous roots. Many tropical species and hybrids 

 are in cultivation. (Lessons, Fig. 284.) 



* The three sepals separate ; stem leafj, one-ftoxcered. 



C. arietinum, R.Br. Ram's-head L. The smallest species, with 

 slender stem ti'-lO' high, oblong-lanceolate leaves, and a dingy, purplish, 

 drooping flower, the sac conical and in some positions resembling a ram's 

 head, one sepal lance-ovate, the two others and the two petals linear. 

 Cold woods and swamps, Me. to Minn. 



* * Tiro of the sepals united by their edges into one under the sac or 

 slipper, hxit their very tips sometimes separate. 



->- Stem \°-2°high, leafy to the l-ii-ffoioered stimmit ; leaves lance-oblong 

 or ovate, with many somewhat plaited nerves, more or less pubescent ; 

 .tac or slipper horizontal, much inflated, open by a rather large round 

 orifice. 



*+ Sepals and linear wavy-twisted petals brownish, pointed, larger than 

 the sac. 



C. cdndidum, Muhl. Small White L. Small, barely 1° high, 

 slightly jmlx'scent ; sac like that of the next, but white-pui-ple inside; 

 sepals uvatr-laneeolate. Bogs (rare), N. Y., W. and S. 



C. parvifl6rum, SalLsb. Smaller Yellow L. Like the next, and 

 in similar sii nations, but .stems and leaves generally smaller, and flower 

 about half the size, somewhat fragrant, the sac broader than high, deep 

 yellow, and the lance-ovate sepals browner. 



